(1) Insert 90 degree short tool into holes A of
protection. A 10 mil wet film thickness is required to
headlamps and spray in all directions.
obtain a minimum five mil dry film thickness. If
needed, the vehicle can be resprayed to reach proper
(2) Use the same tool to completely cover the
underside of the fenders, then insert the tool into
fender brace holes B and spray in all directions.
b. Spraying Pressure. The rustproofing compound
should be applied to sheet metal and structural
members in even coats. Spraying pressure should be as
low as possible while maintaining an even spray pattern.
(1) Use 90 degree short tool to completely
An acceptable starting point is 40 psi (276 kPa), but
cover the inside of the hood, the radiator brace, and
adjustments may have to be made due to temperature
the engine compartment side panels.
changes and differences in rustproofing compound.
(2) Insert flexible short tool into the hood brace
Using too much pressure will waste compound by
ends as far as possible, then spray slowly while
causing overspray and excessively thick coatings.
c. Rustproofing Headlamps and Fenders (see
(3) Use 90 degree short tool to completely
cover the firewall.
Figure 18-4. Rustproofing Headlamps and Fenders.
Figure 18-5. Rustproofing Engine Compartment.